/usr/lib/python3/dist-packages/plainbox/vendor/ is in python3-plainbox 0.5.3-2.
This file is owned by root:root, with mode 0o755.
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/usr/lib/python3/dist-packages/plainbox/vendor/__init__.py
/usr/lib/python3/dist-packages/plainbox/vendor/argparse/
/usr/lib/python3/dist-packages/plainbox/vendor/argparse/py32-argparse.py
/usr/lib/python3/dist-packages/plainbox/vendor/argparse/py33-argparse.py
/usr/lib/python3/dist-packages/plainbox/vendor/argparse/py34-argparse.py
/usr/lib/python3/dist-packages/plainbox/vendor/extcmd/
/usr/lib/python3/dist-packages/plainbox/vendor/extcmd/__init__.py
/usr/lib/python3/dist-packages/plainbox/vendor/extcmd/test.py
/usr/lib/python3/dist-packages/plainbox/vendor/funcsigs/
/usr/lib/python3/dist-packages/plainbox/vendor/funcsigs/__init__.py
/usr/lib/python3/dist-packages/plainbox/vendor/mock.py
/usr/lib/python3/dist-packages/plainbox/vendor/textland/
/usr/lib/python3/dist-packages/plainbox/vendor/textland/__init__.py
/usr/lib/python3/dist-packages/plainbox/vendor/textland/abc.py
/usr/lib/python3/dist-packages/plainbox/vendor/textland/bits.py
/usr/lib/python3/dist-packages/plainbox/vendor/textland/display.py
/usr/lib/python3/dist-packages/plainbox/vendor/textland/drawing.py
/usr/lib/python3/dist-packages/plainbox/vendor/textland/events.py
/usr/lib/python3/dist-packages/plainbox/vendor/textland/image.py
/usr/lib/python3/dist-packages/plainbox/vendor/textland/keys.py